US 12,428,510 B2
Resin composition, adhesive member, and display device including the same
Katsuhiro Yamamoto, Yokohama (JP)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Aug. 4, 2021, as Appl. No. 17/393,980.
Claims priority of application No. 10-2020-0148056 (KR), filed on Nov. 6, 2020.
Prior Publication US 2022/0144989 A1, May 12, 2022
Int. Cl. C09J 4/00 (2006.01); C08F 2/50 (2006.01); C08F 220/20 (2006.01); C08F 220/34 (2006.01); C09J 175/14 (2006.01); G02F 1/1333 (2006.01)
CPC C08F 220/346 (2020.02) [C08F 2/50 (2013.01); C08F 220/20 (2013.01); C09J 4/00 (2013.01); G02F 1/133305 (2013.01); C09J 175/14 (2013.01); G02F 2202/28 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An adhesive member comprising:
a polymer, the polymer being derived from a resin composition containing a urethane (meth)acrylate oligomer, wherein
the resin composition, before curing, has a viscosity of about 20 mPa·s or less at about 30° C. to about 50° C., wherein
the resin composition of the adhesive member has a storage modulus of about 2×103 Pa to about 2×104 Pa at 25° C. and 1 Hz when irradiated with about 200 mJ/cm2 of ultraviolet light,
the resin composition of the adhesive member has a storage modulus of about 1×104 Pa to about 1×105 Pa at 25° C. and 1 Hz when irradiated with about 4000 mJ/cm2 of ultraviolet light, and
the adhesive member has a peel strength of about 1 kg/25 mm or greater when the resin composition is cured, and
wherein the resin composition includes no organic solvent.